Date: Sun, 06 Sep 2009 00:48:43 -0000 From: Stef Walter <stef-list@memberwebs.com> To: Boris Kochergin <spawk@acm.poly.edu> Cc: freebsd-net@freebsd.org Subject: Re: kmem_map too small panics with Soekris/Atheros access point Resent-Message-ID: <none> References: <4A8C3557.20002@acm.poly.edu> <4AA03A41.1080200@acm.poly.edu>
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Boris Kochergin wrote: >> _______________________________________________ >> freebsd-net@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-net >> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > More information: I upgraded it to a 7.2-STABLE with August 20th sources > and increased kern.ipc.nmbclusters to 65536 in hopes of getting the > panic less often. I managed to catch it in a state where there were a > bunch of "ath0: ath_rx_proc: no mbuf!" messages in the kernel buffer. > One line of "vmstat -m" stood out as the leak: > > 80211node 12677 101401K - 120901 16,512 > > "ifconfig ath0 down" freed the memory. Is there any other useful > information I can provide if I catch it again? Someone suggested the > output of "vmstat -z" off list, and I will have that next time. This might be a long shot: Back when I deployed some similar devices on FreeBSD 6.0 there was a leak when using oddball ath_rate driver. I believe it went away when I used ath_rate_sample. But according to 'man 4 ath' nothing else besides ath_rate_sample exists anymore. Cheers, Stef
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